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The stone remains widely used in the United Kingdom and Ireland for human body weight: in those countries people may commonly be said to weigh, e.g., "11 stone 4" (11 stones and 4 pounds), rather than "72 kilograms" as in most of the other countries, or "158 pounds", the conventional way of expressing the same weight in the US and in Canada. [38]
Le Carnage – Fontainebleau – 1977 – Considered the first-ever ascent of a 7B+ (V8), by Jérôme Jean-Charles. [161] Midnight Lightning – Camp 4, Yosemite – 1978 – Second-ever ascent of a 7B+ (V8), by Ron Kauk; arguably the world's most famous bouldering problem that demonstrated bouldering as a sport in its own right. [10] [168]
Bluestone is a cultural or commercial name for a number of natural dimension or building stone ... The stones are estimated to weigh between 2 and 4 tons each ...
The supporting stone layer beneath features a number of stones which weigh an estimated 350 tonnes (770,000 lb) and are 11 metres wide. [ 7 ] Although they do not form a trilithon in the modern archaeological sense, they have been known as the Trilithon since at latest the early Byzantine period .
In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition , and the way in which it is formed.
The Altar Stone is a recumbent central megalith at Stonehenge in England, dating to Stonehenge phase 3i, around 2600 BCE. It is identified as Stone 80 in scholarly articles. It is identified as Stone 80 in scholarly articles.
The same unit was used for the jasper weighing stone of the First Intermediate Period king Nebkaure Khety. From the Middle Kingdom date deben weight units used for particular metals, referred to as copper deben and gold deben, the former being about twice as heavy (27 g (0.95 oz; 0.87 ozt)) as the latter.
The appropriate thickness of a layer of track ballast depends on the size and spacing of the ties, the amount of traffic on the line, and various other factors. [1] Track ballast should never be laid down less than 150 mm (6 inches) thick, [5] and high-speed railway lines may require ballast up to 0.5 metres (20 inches) thick. [6]